Tracking-resistant polyphenylether resin composition

Abstract

The invention discloses a tracking-resistant polyphenylether resin composition which comprises the following components in percentage by weight: 40-90% of polyphenylether, 1-50% of styrene resin, 0.1-5% of epoxy compound, 3-20% of flame retardant and 0.1-10% of other functional additives. The polyphenylether resin composition disclosed by the invention has the characteristics of excellent impact property, high rigidity, high tracking resistance, simple preparation technique, low price and wide practical applicability, and is widely used in the industries of electric appliances, office supplies, automobile accessories and the like.

Description

technical field [0001] The invention belongs to the field of engineering plastics, in particular to a tracking-resistant polyphenylene ether resin composition. Background technique [0002] Polyphenylene ether has excellent mechanical properties, electrical properties, heat resistance, dimensional stability and weather resistance, and is widely used in electrical appliances, office supplies, auto parts and other industries. Due to the high melt viscosity of polyphenylene ether resin, it is difficult to process, which requires the addition of polystyrene resin to improve the fluidity of polyphenylene ether to achieve good molding processability. However, due to the high oxygen index of PPE, the CTI (comparative tracking index) value of unmodified PPE is low, which limits the application of the material. [0003] At present, the method of improving CTI is mainly to add flame retardants or inorganic substances. For example, Chinese patent CN1749313 discloses a high CTI value h...

AI Technical Summary

Problems solved by technology

Chinese patent CN1995134 solves the PBT flame retardant material by adding polymeric flame retardants, flame retardant synergists, tougheners, lubricants and reinforcing components, high flame retardancy (vertical flame retardant V-0 grade) and high CTI value is difficult to meet the problem at the same time

However, for polyphenylene ether, a polymer material commonly used in electronic appliances, adding a large amount of inorganic substances will greatly reduce the mechanical properties of the material and reduce the anti-counterfeiting of the material.

Images